120111221202012 has 36 divisors (see below), whose sum is σ = 311820272463336. Its totient is φ = 38954990659680.

The previous prime is 120111221201987. The next prime is 120111221202053. The reversal of 120111221202012 is 210202122111021.

120111221202012 is a `hidden beast` number, since 120 + 111 + 221 + 202 + 0 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×120111221202012² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45086793414 + ... + 45086796077.

Almost surely, 2^{120111221202012} is an apocalyptic number.

120111221202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120111221202012 is an abundant number, since it is smaller than the sum of its proper divisors (191709051261324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120111221202012 is a wasteful number, since it uses less digits than its factorization.

120111221202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90173589538 (or 90173589533 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120111221202012 its reverse (210202122111021), we get a palindrome (330313343313033).

Subtracting 120111221202012 from its reverse (210202122111021), we obtain a palindrome (90090900909009).

The spelling of 120111221202012 in words is "one hundred twenty trillion, one hundred eleven billion, two hundred twenty-one million, two hundred two thousand, twelve".